Chromatic Determination of Fermentation Stages for Microbial Fermentation Bed in Pig Pan

PAN Zhi-zhen; LIU Bo; ZHU Yu-jing; CHEN Zheng; XU Lian; SHI Huai

doi:10.19303/j.issn.1008-0384.2016.11.020

Volume 31 Issue 11

Jan. 2017

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Article Navigation > Fujian Journal of Agricultural Sciences > 2016 > 30(11): 1248-1251

PAN Zhi-zhen, LIU Bo, ZHU Yu-jing, CHEN Zheng, XU Lian, SHI Huai. Chromatic Determination of Fermentation Stages for Microbial Fermentation Bed in Pig Pan[J]. Fujian Journal of Agricultural Sciences, 2016, 30(11): 1248-1251. doi: 10.19303/j.issn.1008-0384.2016.11.020

Citation:

PAN Zhi-zhen, LIU Bo, ZHU Yu-jing, CHEN Zheng, XU Lian, SHI Huai. Chromatic Determination of Fermentation Stages for Microbial Fermentation Bed in Pig Pan[J]. Fujian Journal of Agricultural Sciences, 2016, 30(11): 1248-1251. doi: 10.19303/j.issn.1008-0384.2016.11.020

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Chromatic Determination of Fermentation Stages for Microbial Fermentation Bed in Pig Pan

doi: 10.19303/j.issn.1008-0384.2016.11.020

1.
Institute of Agricultural Biological Resources, Fujian Academy of Agriculture Sciences, Fuzhou, Fujian 350003, China
2.
School of Life Science, Xiamen University, Xiamen, Fujian 361005, China

Received Date: 2016-04-06
Rev Recd Date: 2016-05-26
Publish Date: 2016-11-01

Abstract

Abstract

Using a TES-135A color meter, 160 samples of bedding material from the microbial fermentation beds in pig pans were measured. The chromaticity data were fed to the Hunter's color difference formula, △E=[(△L)²+(△a)²+(△b)²]1/2, to obtain the △E value. Based on the average value (μ) and dispersion degree (σ) of △E, the stages of fermentation of the bedding material were classified. The 1^st stage ranged from 0 to μ-2σ, the 2^nd stage from μ-2σ to μ, the 3^rd stage from μ to μ+2σ, and the 4^th stage beyond μ+2σ. Subsequently, the apparent color, humidity, odor, and degree of decomposition were determined for samples from each fermentation stage. A regression analysis showed a high correlation between the colorimetric measurements and the observations suggesting the color meter might be used as a means to rapidly determine the fermentation stages of a microbial fermentation bed in a pig pan.
- microbial fermentation bed,
- chromaticity analysis,
- bedding material classification

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References(13)

References

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